Finding the Fourth Proportional to 50,122.47, 69,142.73 and 30,996.14

Step by Step Solution

1. Step 1: Write the proportion equation
   50,122.47 : 69,142.73 = 30,996.14 : x
2. Step 2: Convert to fraction form
   50,122.47/69,142.73 = 30,996.14/x
3. Step 3: Cross multiply
   50,122.47x = 69,142.73 × 30,996.14
4. Step 4: Simplify right side
   50,122.47x = 2,143,157,739.06
5. Step 5: Solve for x
   x = 2,143,157,739.06/50,122.47
6. Step 6: Final answer
   x = 42,758.42